/*
 *  Copyright (c) WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 *  WSO2 Inc. licenses this file to you under the Apache License,
 *  Version 2.0 (the "License"); you may not use this file except
 *  in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package org.wso2.balana.attr.proxy.xacml3;

import org.w3c.dom.Node;
import org.wso2.balana.attr.AttributeProxy;
import org.wso2.balana.attr.AttributeValue;
import org.wso2.balana.attr.xacml3.XPathAttribute;

/**
 * proxy class that is provided mainly for the run-time configuration code to
 * use.
 */
public class XPathAttributeProxy implements AttributeProxy {

	public AttributeValue getInstance(Node root) throws Exception {
		return XPathAttribute.getInstance(root);
	}

	public AttributeValue getInstance(String value, String[] params)
			throws Exception {
		// only one parameter is needed which is called XPathcategory
		String xPathCategory = null;
		if (params != null) {
			xPathCategory = params[0];
		}
		return XPathAttribute.getInstance(value, xPathCategory);
	}
}
